Granaries, Drainage System, Dockyard of Lothal & Indus Valley Sculpture (Seals and Sculpture) for Rajasthan PSC Exam

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  • Found in citadel
  • Intelligent construction strategic air ducts and platform

Drainage System

Drainrage System
  • Almost like modern system
  • Temporarily covered drains cleaning purpose

Dockyard of Lothal

Dockyard of Lothal
  • The dockyard was located away from the main current to avoid deposition of silt.
  • It is speculated that Lothal engineers studied tidal movements, and their effects on brick built structures, since the walls are of kiln burnt bricks.
  • The dock, with a canal opening to allow water to flow into the river, thereby maintaining a stable water level.
  • The dock also possessed a lock gate system a wooden door could be lowered at the mouth of the outlet to retain a minimum column of water in the basin to ensure floatation at low tides.

Indus Valley Sculpture

Indus Valley Sculpture


  • square or rectangular, circular and few are cylindrical piece of stone
  • Average size inches
  • Stone soft riverstone statite, copper and terracotta
  • Decorated with animal motifs except cow
  • Pictographic script on both sides of the seals
  • Some gold, silver, and ivory seals.


Early Script
  • Script pictographic
  • Along with animal impressions which are yet to be deciphered.
  • Direction of writing right to left.